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Message-ID: <Y+OfmMeP3Eto3K7t@corigine.com>
Date:   Wed, 8 Feb 2023 14:11:52 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     Guan Wentao <guanwentao@...ontech.com>
Cc:     peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, mcoquelin.stm32@...il.com,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] net: stmmac: get phydev->interface from mac for mdio phy
 init

On Wed, Feb 08, 2023 at 08:40:25PM +0800, Guan Wentao wrote:
> The phy->interface from mdiobus_get_phy is default from phy_device_create.
> In some phy devices like at803x, use phy->interface to init rgmii delay.
> Use plat->phy_interface to init if know from stmmac_probe_config_dt.
> 
> Fixes: 74371272f97f ("net: stmmac: Convert to phylink and remove phylib logic")
> Signed-off-by: Guan Wentao <guanwentao@...ontech.com>
> ---

This is v2 of this patch, so let me make some comments about that.

* Firstly, unless asked to repost by a reviewer/maintainer,
  it's generally bad practice to post a patch(set) more than once within 24h.

* If it is a networking but fix, then it should be targeted at the 'net' tree.
  Otherwise, networking patches should be targeted at the 'net-next' tree.
  In either case this should be noted in the subject.

  Also, v2 (and so on), should be noted in the subject.

  Something like this:

  [PATCH v2 net-next] net: stmmac: get phydev->interface from mac for mdio phy

* When posting revised patches, it's important to note what has changed.
  typically that goes below the scissors ('---').

  Something like this;

  v2:
  * Fixed blah
  * Updated foo

* Please read the FAQ
  https://kernel.org/doc/html/latest/process/maintainer-netdev.html

>  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 1a5b8dab5e9b..debfcb045c22 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -1162,6 +1162,12 @@ static int stmmac_init_phy(struct net_device *dev)
>  			return -ENODEV;
>  		}
>  
> +		/* If we know the interface, it defines which PHY interface */
> +		if (priv->plat->phy_interface > 0) {
> +			phydev->interface = priv->plat->phy_interface;
> +			netdev_dbg(priv->dev, "Override default phy interface\n");
> +		}
> +
>  		ret = phylink_connect_phy(priv->phylink, phydev);
>  	}
>  
> -- 
> 2.20.1
> 

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